| /* |
| * Copyright (C) 2021 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * 2. Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, |
| * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
| * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF |
| * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "CSSOMVariableReferenceValue.h" |
| |
| #if ENABLE(CSS_TYPED_OM) |
| |
| #include "CSSUnparsedValue.h" |
| #include "ExceptionOr.h" |
| #include <wtf/IsoMallocInlines.h> |
| #include <wtf/text/StringBuilder.h> |
| |
| namespace WebCore { |
| |
| WTF_MAKE_ISO_ALLOCATED_IMPL(CSSOMVariableReferenceValue); |
| |
| ExceptionOr<Ref<CSSOMVariableReferenceValue>> CSSOMVariableReferenceValue::create(String&& variable, RefPtr<CSSUnparsedValue>&& fallback) |
| { |
| if (!variable.startsWith("--")) |
| return Exception { TypeError, "Custom Variable Reference needs to have \"--\" prefix."_s }; |
| |
| return adoptRef(*new CSSOMVariableReferenceValue(WTFMove(variable), WTFMove(fallback))); |
| } |
| |
| ExceptionOr<void> CSSOMVariableReferenceValue::setVariable(String&& variable) |
| { |
| if (!variable.startsWith("--")) |
| return Exception { TypeError, "Custom Variable Reference needs to have \"--\" prefix."_s }; |
| |
| m_variable = WTFMove(variable); |
| return { }; |
| } |
| |
| String CSSOMVariableReferenceValue::toString() const |
| { |
| StringBuilder builder; |
| serialize(builder); |
| |
| return builder.toString(); |
| } |
| |
| void CSSOMVariableReferenceValue::serialize(StringBuilder& builder) const |
| { |
| builder.append("var("); |
| builder.append(m_variable); |
| if (m_fallback) { |
| builder.append(", "); |
| m_fallback->serialize(builder); |
| } |
| builder.append(')'); |
| } |
| |
| } // namespace WebCore |
| |
| #endif |